Stamp applicator



FIG. 1 is a perspective drawing showing front, left side and top views of my new design for a stamp applicator;

FIG. 2 is a perspective drawing showing rear, right side and bottom views of my new design for a stamp applicator;

FIG. 3 is a front view thereof and wherein the rear view is identical;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a left side view thereof; and,

FIG. 7 is a right side view thereof. 

The ornamental design for a stamp applicator, as shown and described. 